Principal Software Engineer
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Job Summary
Its fun to work in a company where people truly BELIEVE in what theyre doing!
Job Description Summary:
The Infrastructure Modernization business unit is seeking a highly experienced Principal Software Engineer to join our engineering organization and provide deep technical leadership across our COBOL development ecosystem and our Enterprise Server application replatforming products. This is a hands-on strategic role focused on designing building and evolving missioncritical infrastructure used by global enterprises running highvolume highreliability systems.In this role you will influence architecture across multiple product lines guide engineering best practices and help define the future of our platform as customers modernize decadesold workloads into more agile distributed and environments. You will partner closely with senior engineering leaders product managers and domain experts to drive innovation at scale.
What Youll Do
Technical Leadership
Architect design and implement core components within our COBOL development tools runtime environments and mainframe replatforming infrastructure.
Provide technical direction across multiple engineering teams building compilers runtimes middleware and large-scale distributed systems.
Drive modernization strategies for legacy application ecosystems including cloud migration workload transformation and hybrid deployment scenarios.
Hands-On Engineering
Own complex technical domains end-to-end from design through production balancing longterm architecture with immediate product needs.
Build highly reliable scalable and secure infrastructure software used in missioncritical enterprise environments.
Conduct deep code reviews troubleshoot production issues and mentor engineers in system-level design and performance optimization.
Cross-Functional Impact
Collaborate with product management to shape roadmap priorities and translate customer challenges into technical solutions.
Work with System Test DevOps and release engineering to ensure high-quality lowrisk releases across a diverse product portfolio.
Introduce and champion engineering excellence practices including automated testing performance benchmarking observability and maintainability.
What Were Looking For
Required Experience
10 years of professional software engineering experience including leadership over complex multiteam technical initiatives.
Deep expertise in systems-level software development such as compilers runtimes operating systems or infrastructurelevel platforms.
Strong background in mission-critical highavailability software (e.g. financial services telecom government or core enterprise platforms).
Demonstrated experience with COBOL PL/I C or Cor significant experience in other lower-level languages with a willingness to dive into COBOL domain internals.
Proven track record building or modernizing enterprise-grade tooling middleware or distributed systems.
Ability to decompose legacy architectures assess modernization paths and design scalable solutions.
Preferred Qualifications
Experience with mainframe-to-cloud migration workload replatforming or runtime compatibility layers.
Familiarity with Azure AWS or hybrid cloud architectures.
Understanding of static and dynamic language runtimes compiler pipelines and virtual machine internals.
Prior technical mentorship or architectural leadership spanning multiple scrum teams.
Strong diagnostic skills for debugging low-level performance memory concurrency or runtime issues.
Who You Are
A pragmatic engineer who balances ideal architecture with real-world constraints.
Passionate about long-term maintainability and operational excellence.
Comfortable working with legacy systems and excited about evolving them for the future.
A collaborator who elevates teams through mentorship and cross-functional alignment.
Someone who thrives in a technically rich complex domain where your expertise has large-scale impact.
Why Join Us
Influence the future of missioncritical modernization technologies used worldwide.
Work with a highly experienced engineering organization with deep domain expertise.
Opportunity to shape architecture and product direction across multiple major portfolios.
A culture that values technical depth thoughtful engineering and long-term product stewardship.
#LI-Remote
.Rocket Software Inc. is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race color religion gender gender identity or expression sexual orientation national origin genetics disability age or veteran status. Rocket Software Inc. is also committed to compliance with all fair employment practices regarding citizenship and immigration status.
As part of our commitment to a safe and trustworthy workplace we include background and reference checks in our hiring process.
Rocket is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. If you need special assistance or an accommodation while seeking employment please call: or send an email to We will make a determination on your request for reasonable accommodation on a case-by-case basis.
If you like wild growth and working with happy enthusiastic over-achievers youll enjoy your career with us!
Required Experience:
Staff IC
Key Skills
- Continuous Integration
- Docker
- Jenkins
- Python
- System Design
- Agile
- C/C++
- Go
- Systems Engineering
- Software Development
- Java
- Distributed Systems
